Select by outer diameter and case length
Aluminum cases
Case components for aluminum electrolytic capacitors. BWV and UVX series list outer diameter, case length and main wall thickness for preliminary matching with seals and terminal assemblies.
Customizable to drawingsBeyond the standard series below, aluminum case outer diameter, length and wall thickness can be customized to customer drawings or samples. Send drawings for a quotation.
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Series and specifications
Compare models, dimensions and test conditions. Click illustrations to enlarge.
BWV-8 aluminum cases
View dimensions and mating structures by model.
Dimensional specifications — BWV-8 aluminum case
Select by comparing case shape, diameter, length and mating dimensions.
| Part number | D1 ±0.05 | L ±0.1 | h ±0.02 | t1 ±0.03 | t2 ±0.05 | Remarks |
|---|---|---|---|---|---|---|
| BWV-808A | 8.0 | 7.9 | 0.06 | 0.27 | 0.35 | 8φ |
| 809B | 9.0 | |||||
| 814B | 14.5 | |||||
| 818B | 18.7 | |||||
| 820B | 20.7 | |||||
| 8120B | 12.0 | |||||
| 8120F | 12.4 | |||||
| 8127D | 12.7 | |||||
| 8157B | 15.7 |
- Dimensions in mm.
- Pressure-relief valve thickness h must meet the specification at location A.
- Even if the safety vent thickness exceeds the specification, the product is acceptable if the hydraulic vent test pressure is within the specified range.
- Unspecified tolerance: ±0.1 mm.
- Material: Al 99% or higher.
BWV-8 safety-vent activation pressure specifications
| Matching aluminum case | f ±0.05 | g ±0.1 | Pressure-relief valve operating pressure (kg/cm²) |
|---|---|---|---|
| 8φ | 0.5 | 0.2 | 24～30 |
- Dimensions in mm.
BWV-18 aluminum cases
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Dimensional specifications — BWV-18-22 aluminum case
Select by comparing case shape, diameter, length and mating dimensions.
| Part number | D1 ±0.05 | D2 +0.1/−0 | L ±0.2 | h +0.02/−0.01 | t1 ±0.04 | t2 ±0.04 | Remarks |
|---|---|---|---|---|---|---|---|
| BWV-1820B | 18.0 | 17.20 | 22.0 | 0.08 | 0.35 | 0.40 | EX-18BD |
| 1820A | 21.0 | HX-18D | |||||
| 1827B | 27.3 | EX-18BD | |||||
| 1826A | 26.5 | HX-18D | |||||
| 1831B | 32.5 | 18φ | |||||
| 1833A | 33.5 | HX-18D | |||||
| 1835B | 37.5 | 18φ | |||||
| 1840B | 42.5 | 18φ | |||||
| 1834D | 34.0 | 18φ | |||||
| 2235B | 22.0 | 21.65 | 38.5 | 0.10 | 0.35 | 0.45 | 22φ |
| 2240D | 43.5 | 22φ |
- Dimensions in mm.
- Pressure-relief valve thickness (h) must meet the specification at location e.
- Even if the vent thickness exceeds the specification, the product is acceptable if the hydraulic vent test pressure is within the specified range.
- Unless otherwise specified, the tolerance is ±0.1 mm.
- Material: Al 99% or higher.
BWV-18 safety-vent activation pressure specifications
| Matching aluminum case | f ±0.1 | g ±0.1 | e | Pressure-relief valve operating pressure (kg/cm²) |
|---|---|---|---|---|
| 18φ | 1.0 | 0.3 | 4.0 | 10～15 |
- Dimensions in mm.
UVX snap-in aluminum cases
View dimensions and mating structures by model.
Dimensional specifications — UVX snap-in aluminum case
Select by comparing case shape, diameter, length and mating dimensions.
| Aluminum case model | L ±0.2 | φD ±0.1 | φD1 ±0.1 | φD2 ±0.2 | C ±0.2 | K1 ±0.2 | K2 ±0.2 | K3 ±0.1 | h | h1 | t1 | t2 | Pneumatic burst pressure (kg/cm²) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVX-3515C | 19.0 | 35.0 | 34.1 | 32.4 | 8.5 | 32.6 | 25.8 | 3.0 | 0.14 | 4.0 | 0.40 | 0.7 | 6～11 |
| UVX-3520C | 24.0 | ||||||||||||
| UVX-3525C | 29.9 | 4.5 | |||||||||||
| UVX-3530C | 34.9 | ||||||||||||
| UVX-3535C | 39.9 | ||||||||||||
| UVX-3540C | 44.9 | ||||||||||||
| UVX-3545C | 49.9 | ||||||||||||
| UVX-3550C | 54.9 | ||||||||||||
| UVX-3555C | 59.9 | ||||||||||||
| UVX-3560C | 64.9 | ||||||||||||
| UVX-3570C | 74.9 | ||||||||||||
| UVX-3580C | 84.9 | ||||||||||||
| UVX-3590C | 94.9 | ||||||||||||
| UVX-35100C | 104.0 | ||||||||||||
| UVX-4030C | 34.9 | 40.0 | 39.0 | 37.1 | 8.5 | 37.6 | 25.8 | 3.0 | 0.14 | 4.8 | 0.50 | 0.7 | 5～10 |
| UVX-4035C | 39.9 | ||||||||||||
| UVX-4040C | 44.9 | ||||||||||||
| UVX-4050C | 54.9 | ||||||||||||
| UVX-4060C | 64.9 | ||||||||||||
| UVX-4070C | 74.9 | ||||||||||||
| UVX-4080C | 84.9 | ||||||||||||
| UVX-40100C | 104.0 |
- Dimensions in mm.
Specification information and selection support
Further confirmation
Aluminum case specifications.
Please provide: case structure, outer diameter, length, wall thickness, closure type and matching drawings.
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